package com.yhsimon.reflection;

//什么叫反射
public class Test01 {
    public static void main(String[] args) throws ClassNotFoundException {
        //通过反射机制获取类的Class对象
        Class c1 = Class.forName("com.yhsimon.reflection.User");
        System.out.println(c1);


        //一个类在内存中只有一个Class对象
        //一个类被加载后，类的整个结构都会被封装到Class对象中
        Class c2 = Class.forName("com.yhsimon.reflection.User");
        Class c3 = Class.forName("com.yhsimon.reflection.User");
        Class c4 = Class.forName("com.yhsimon.reflection.User");

        System.out.println(c2.hashCode());
        System.out.println(c3.hashCode());
        System.out.println(c4.hashCode());

    }
}

class User{
    private String name;
    private int age;

    public User() {
    }

    public User(String name, int age) {
        this.name = name;
        this.age = age;
    }

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}